Sunday
December 4, 2016

# Posts by Chi

Total # Posts: 32

CHEMISTRY
2KCLO3 + MnO3=K2MnO4 + 2CLO2
October 3, 2016

CHEMISTRY
15.0g of KCLO3 was crushed and heated with about 0.1g of MnO2.Write an equation for the reaction.
October 3, 2016

S.st
What are the answer for number 3 and 4 in week 17 for 4th grade??..
May 12, 2016

pharmacy
If the total dose is 0.930mg and the drug is given in 3 equal doses, what is the amount of each dose in milligrams?
July 28, 2014

chemistry
Potassium 2:5 Chloride solution 30ml. How many milliliters of a potassium chloride 3:5 solution do you need to prepare the order?
July 28, 2014

Physics
Add the vectors 1. 6.0m N and 4.0 NE 2. 6.0m N25E and 4.0 E
March 25, 2014

biology
What is the name of the instrument use in measuring Ph slope,depth of water,hydrogen ion concentration.
February 16, 2013

english
The antonyms of ignore,optimistic,humility,indolent,boring,attack,normal,innocuous,preserve,commence
January 24, 2013

biology
Mode of formation of nutrition(two pages)
January 24, 2013

chemistry
What mass of lead (ii) trioxonitrate(v) would be required to yield 9g of lead(ii)chloride on the addition of excess sodium chloride(pb=207,N=14,O=16,Na=23,cl=35.5)
January 20, 2013

Psychology
What is biological influences?
October 15, 2012

Psychology
What is biological influences?
October 15, 2012

thermodynamics
At 2068.44kPaa, 37.8 celcius, 0.142 cubic meter of methane have a total mass of 1.82kg. Using avogadro's principle find the mass of carbong dioxide contained in a 0.85cubic meter tank at 2068.44kPaa,37.8 celsius
September 17, 2012

thermodynamics
an automobile tire contains a certain volume of air at 30 psig and 70 degree fahrenheit. The barometric pressure is 29.50 in.Hg. If due to running conditions the temperature of the air in the tire rises to 160 fahrenheit, what will be the gage pressure? assume that the air is ...
September 17, 2012

Physics
A hydrogen atom is in its third excited state (n=4). Using Bohr theory of the atom calculate (a) the radius of the orbit, (b) the linear momentum of the electron, (c) the angular momentum of the electron (d) the kinetic energy (e) the potential energy, and (f) the total energy...
April 28, 2012

chemistry
11. 22 g of potassium iodide is diluted in 1.5 L of sterile water for injection. What is the final percent strength (w/v)
April 19, 2012

Physics
For a piece of glass n(red)= 1.635 and n(blue)= 1.689. The respective wavelengths are 680nm (red) and 430nm (blue). Find the angle between these two colors of light in the glass if they were originally in a white light beam in air incident on the glass at an angle of 44.
March 24, 2012

Physics
For water n(red)= 2.332 and n(blue)=1.340. What are the underwater angles of refraction for the red and blue components of a white light beam in air incident at an angle of 82 on a water surface?
March 24, 2012

Physics
The level of water in a clear, colorless glass is easily observed with the naked eye. The level of liquid helium in a clear glass vessel is extremely difficult to see with the naked eye. Explain. (hint: the index of refraction of liquid helium is close to that of air.)
March 24, 2012

Physics
thank you! :)
March 24, 2012

Physics
Our eyes are sensitive to electromagnetic radiation with wavelengths from 400nm to 700nm. What is associated range of frequencies?
March 24, 2012

Ochem
If 1.43 g of 4-ehoxyaniline and an excess of the acylating agent were used to prepare phencetin, what is the theoretical yield of product?
March 10, 2012

Ochem
In the reaction between p-aminophenol and acetic anhydride to form acetaminophen, what was the purpose of adding water to the reaction mixture? There are a couple of possible answers, and this requires a detailed explanation for credit. thanks!
March 10, 2012

Ochem
Give two reasons why the crude product in most reactions is not pure.
March 10, 2012

Ochem
Phenacetin has the structure shown below. Write an equation for its preparation starting from 4-ethoxyaniline.
March 10, 2012

Physics
A bomber is flying horizontally over level terrain at a speed of 250 m/s relative to the ground and at an altitude of 3.20 km. The bombardier releases one bomb. How far does the bomb travel horizontally between its release and its impact on the ground? Ignore the effects of ...
April 14, 2011

physics
If a spring has a constant of 20N/m how much potential energy does it store if it is compressed 2m in joules? <3
October 8, 2010

math
(x+5)(x+2) (x-2)(x-2) (x+5)(x-12) (3c-4d)(2c+5d) (5x-3)(3x-8)
September 9, 2010

Math
(0.5-0.1)*.125=.05
March 7, 2010

Micreoeconomics
1. Assume a perfectly competitive constant cost industry, currently in long-run equilibrium. Market demand in the industry is given by Q = 1500 - 25P. The short-run market supply curve is given by: Q = 15P - 100 for P B 10 = 0 for P < 10 There are 25 firms in the industry...
March 31, 2008

Microeconomics
1. A perfectly competitive industry comprises of 35 competitive, profit-maximizing firms, each of which has short-run total costs and marginal costs of SMC = 0.25q STC = 20 + 0.125q(squared) The market demand curve is P = 20 − 0.05Q (a) Find P, q and Q (b) Suppose a tax ...
March 31, 2008

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